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Application filed by Christian Philipp, Steffen Martin, Guenter Peschke, Juergen ThiermannfiledCriticalChristian Philipp
Priority to DD20878078ApriorityCriticalpatent/DD139376B1/de
Priority to SU797770817Aprioritypatent/SU1018186A1/ru
Priority to CS736479Aprioritypatent/CS224460B1/cs
Publication of DD139376A1publicationCriticalpatent/DD139376A1/de
Publication of DD139376B1publicationCriticalpatent/DD139376B1/de